L-Valine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 72-18-4 |
| Product name | L-Valine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for L-Valine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-Valine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-Valine
| Industry | Application | Process |
|---|---|---|
| Food Industry | Food additive (flavor enhancer, nutrient fortifier) | Directly added to beverages, dairy products, baked goods, etc., within the maximum usage levels specified in GB 2760-2014 |
| Feed Industry | Essential amino acid supplement for animal feed | Mixed with basal feed for compound feeds used in swine and poultry production to improve protein utilization |
| Pharmaceutical Industry | Component of amino acid infusions; intermediate in drug synthesis | Used as a raw material for compound amino acid injection solutions (e.g., 18AA injection) or in the synthesis of antibiotics (e.g., valinomycin) |
| Biological Fermentation Industry | Nitrogen source in microbial culture media | Supplies essential nitrogen and growth factors during cell culture and enzyme production |
| Cosmetic Industry | Skin-conditioning agent; moisturizing ingredient | Incorporated into skincare formulations to deliver moisturizing and antioxidant effects via stratum corneum penetration |
Manufacturing Quality Control of L-Valine
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Compare the sample's infrared spectrum with that of standard L-valine; consistent characteristic absorption peaks confirm the structure. |
| Specific Rotation Measurement | Measure the specific rotation (typically +18.5° to +21.5°) by passing polarized light through an L-valine solution, to assess chiral purity. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase column (e.g., C18) with derivatization (e.g., o-phthalaldehyde, OPA method) for quantitative analysis of L-valine content with high accuracy. |
| Amino Acid Automatic Analyzer | Utilize an amino acid analyzer with ion-exchange chromatography and ninhydrin colorimetric reaction to achieve automated separation and quantification. | |
| Titration (Non-aqueous Titration) | Titrate with perchloric acid standard solution in a non-aqueous solvent (e.g., glacial acetic acid); suitable for rapid assay of high-purity samples. | |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Detect other amino acids and organic impurities by comparing retention times with the main peak and quantifying impurities via peak area normalization or external standard method. |
| Water Content | Karl Fischer Method | Utilize the reaction of iodine and sulfur dioxide with water in an anhydrous environment to precisely determine moisture content. |
| Drying Loss | Thermogravimetric Analysis (Atmospheric Drying Method) | Dry the sample at 105°C until constant weight; calculate drying loss based on mass reduction, reflecting volatile component content. |
| Residue on Ignition | Sulfated Ash Method | Carbonize the sample, treat with sulfuric acid, then incinerate at high temperature; weigh the residue to evaluate total inorganic impurities. |
| Heavy Metals | Sulfide Colorimetric Method (e.g., Chinese Pharmacopoeia Method) | In acidic conditions, heavy metals react with hydrogen sulfide to form colored precipitates; detect limits via colorimetric comparison (typically expressed as Pb). |
| pH Value | pH Meter Measurement | Prepare a specified concentration aqueous solution of L-valine (e.g., 1%) and directly measure pH using a calibrated pH meter. |
| Microbial Limits | Microbial Limit Test | Include total aerobic microbial count, mold and yeast count, and control organism tests (e.g., Escherichia coli, Salmonella spp.), in compliance with pharmacopoeial requirements. |
Technical Specifications of L-Valine
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 295-300 °C (decomposes) |
| Optical Rotation | +27.0 to +28.5 ° (c=1, H2O) |
| Total Impurities | <=1.5% (HPLC) |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of L-Valine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L-Valine
Packaging of L-Valine
Industrial L-Valine Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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